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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="pword.html" title="cpp/io/ios base/pword"><span class="t-lines"><span>ios_base::pword</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 杂项</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="register_callback.html" title="cpp/io/ios base/register callback"><span class="t-lines"><span>ios_base::register_callback</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="sync_with_stdio.html" title="cpp/io/ios base/sync with stdio"><span class="t-lines"><span>ios_base::sync_with_stdio</span></span></a></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 成员类</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="failure.html" title="cpp/io/ios base/failure"><span class="t-lines"><span>ios_base::failure</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="Init.html" title="cpp/io/ios base/Init"><span class="t-lines"><span>ios_base::Init</span></span></a></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 成员类型</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="openmode.html" title="cpp/io/ios base/openmode"><span class="t-lines"><span>ios_base::openmode</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><strong class="selflink"><span class="t-lines"><span>ios_base::fmtflags</span></span></strong></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="iostate.html" title="cpp/io/ios base/iostate"><span class="t-lines"><span>ios_base::iostate</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="seekdir.html" title="cpp/io/ios base/seekdir"><span class="t-lines"><span>ios_base::seekdir</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="event.html" title="cpp/io/ios base/event"><span class="t-lines"><span>ios_base::event</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="event_callback.html" title="cpp/io/ios base/event callback"><span class="t-lines"><span>ios_base::event_callback</span></span></a></div></div></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div></div>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">typedef</span> <span class="coMULTI">/*implementation defined*/</span> fmtflags<span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags dec <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<p><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags oct <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags hex <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
</p>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags basefield <span class="sy1">=</span> dec <span class="sy3">|</span> oct <span class="sy3">|</span> hex<span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags left <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<p><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags right <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags internal <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
</p>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags adjustfield <span class="sy1">=</span> left <span class="sy3">|</span> right <span class="sy3">|</span> internal<span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags scientific <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<p><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags fixed <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
</p>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags floatfield <span class="sy1">=</span> scientific <span class="sy3">|</span> fixed<span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags boolalpha <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<p><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags showbase <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags showpoint <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags showpos <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags skipws <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags unitbuf <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br>
</p>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags uppercase <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span></span></div></td>
<td class="t-dcl-nopad">  </td>
<td class="t-dcl-nopad">  </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>指定可用的格式化标志。它是<a href="../../named_req/BitmaskType.html" title="cpp/named req/BitmaskType"><i>位掩码类型</i> <span style="font-family: Georgia, 'DejaVu Serif', serif; font-style:italic">(BitmaskType)</span> </a>。定义下列常量：
</p>
<table class="t-dsc-begin">

<tr class="t-dsc-sep">
<td colspan="2">  
</td></tr>
<tr class="t-dsc-hitem">
<td> 常量
</td>
<td> 解释
</td></tr>


<tr class="t-dsc">
<td>  <strong class="selflink"><tt>dec</tt></strong>
</td>
<td> 为整数 I/O 使用十进制底：见 <span class="t-lc"><a href="../manip/hex.html" title="cpp/io/manip/hex">std::dec</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>oct</tt></strong>
</td>
<td> 为整数 I/O 使用八进制底：见 <span class="t-lc"><a href="../manip/hex.html" title="cpp/io/manip/hex">std::oct</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>hex</tt></strong>
</td>
<td> 为整数 I/O 使用十六进制底：见 <span class="t-lc"><a href="../manip/hex.html" title="cpp/io/manip/hex">std::hex</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>basefield</tt></strong>
</td>
<td> <span class="t-c"><span class="mw-geshi cpp source-cpp">dec<span class="sy3">|</span>oct<span class="sy3">|</span>hex</span></span> 。适用于掩码运算
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>left</tt></strong>
</td>
<td> 左校正（添加填充字符到右）：见 <span class="t-lc"><a href="../manip/left.html" title="cpp/io/manip/left">std::left</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>right</tt></strong>
</td>
<td> 右校正（添加填充字符到左）：见 <span class="t-lc"><a href="../manip/left.html" title="cpp/io/manip/left">std::right</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>internal</tt></strong>
</td>
<td> 内部校正（添加填充字符到内部选定点）：见 <span class="t-lc"><a href="../manip/left.html" title="cpp/io/manip/left">std::internal</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>adjustfield</tt></strong>
</td>
<td> <span class="t-c"><span class="mw-geshi cpp source-cpp">left<span class="sy3">|</span>right<span class="sy3">|</span>internal</span></span> 。适用于掩码运算
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>scientific</tt></strong>
</td>
<td> 用科学记数法生成浮点类型，或若与 fixed 组合则用十六进制记法：见 <span class="t-lc"><a href="../manip/fixed.html" title="cpp/io/manip/fixed">std::scientific</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>fixed</tt></strong>
</td>
<td> 用定点记法生成浮点类型，或若与 scientific 组合则用十六进制记法：见 <span class="t-lc"><a href="../manip/fixed.html" title="cpp/io/manip/fixed">std::fixed</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>floatfield</tt></strong>
</td>
<td> <span class="t-c"><span class="mw-geshi cpp source-cpp">scientific<span class="sy3">|</span>fixed</span></span> 。适用于掩码运算
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>boolalpha</tt></strong>
</td>
<td> 以字母数字格式插入并释出 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">bool</span></span></span> 类型：见 <span class="t-lc"><a href="../manip/boolalpha.html" title="cpp/io/manip/boolalpha">std::boolalpha</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>showbase</tt></strong>
</td>
<td> 生成为整数输出指示数字基底的前缀，货币 I/O 中要求现金指示器：见 <span class="t-lc"><a href="../manip/showbase.html" title="cpp/io/manip/showbase">std::showbase</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>showpoint</tt></strong>
</td>
<td> 无条件为浮点数输出生成小数点字符：见 <span class="t-lc"><a href="../manip/showpoint.html" title="cpp/io/manip/showpoint">std::showpoint</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>showpos</tt></strong>
</td>
<td> 为非负数值输出生成 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">+</span></span></span> 字符，见 <span class="t-lc"><a href="../manip/showpos.html" title="cpp/io/manip/showpos">std::showpos</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>skipws</tt></strong>
</td>
<td> 在具体输入操作前跳过前导空白符：见 <span class="t-lc"><a href="../manip/skipws.html" title="cpp/io/manip/skipws">std::skipws</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>unitbuf</tt></strong>
</td>
<td> 在每次输出操作后冲入输出：见 <span class="t-lc"><a href="../manip/unitbuf.html" title="cpp/io/manip/unitbuf">std::unitbuf</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <strong class="selflink"><tt>uppercase</tt></strong>
</td>
<td> 在具体输出的输出操作中以大写等价替换小写字符：见 <span class="t-lc"><a href="../manip/uppercase.html" title="cpp/io/manip/uppercase">std::uppercase</a></span>
</td></tr>
</table>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
<div class="t-example"><p>下列示例展示打印同一结果的数种不同方式。</p><div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">运行此代码</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span> 
<span class="br0">{</span>
    <span class="kw4">int</span> num <span class="sy1">=</span> <span class="nu0">150</span><span class="sy4">;</span>
 
    <span class="co1">// 以 fmtflags 为类成员常量：</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">hex</span>, std<span class="sy4">::</span><span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">basefield</span><span class="br0">)</span><span class="sy4">;</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">showbase</span><span class="br0">)</span><span class="sy4">;</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> num <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
    <span class="co1">// 以 fmtflags 为继承的类成员常量：</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span> <span class="br0">(</span>std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">hex</span> , std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">basefield</span><span class="br0">)</span><span class="sy4">;</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span> <span class="br0">(</span>std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">showbase</span><span class="br0">)</span><span class="sy4">;</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> num <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
    <span class="co1">// 以 fmtflags 为对象成员常量：</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span><span class="br0">(</span><a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">hex</span>, <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">basefield</span><span class="br0">)</span><span class="sy4">;</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span><span class="br0">(</span><a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">showbase</span><span class="br0">)</span><span class="sy4">;</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> num <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
    <span class="co1">// 以 fmtflags 为类型：</span>
    std<span class="sy4">::</span><span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">fmtflags</span> ff<span class="sy4">;</span>
    ff <span class="sy1">=</span> <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
    ff <span class="sy3">&amp;</span><span class="sy1">=</span> ~<a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">basefield</span><span class="sy4">;</span>   <span class="co1">// 解除设置 basefield 位</span>
    ff <span class="sy3">|</span><span class="sy1">=</span> <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">hex</span><span class="sy4">;</span>          <span class="co1">// 设置 hex</span>
    ff <span class="sy3">|</span><span class="sy1">=</span> <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">showbase</span><span class="sy4">;</span>     <span class="co1">// 设置 showbase</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a>.<span class="me1">flags</span><span class="br0">(</span>ff<span class="br0">)</span><span class="sy4">;</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> num <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
    <span class="co1">// 不使用 fmtflags ，但使用操纵符：</span>
    <a href="../cout.html"><span class="kw1739">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <a href="../manip/hex.html"><span class="kw1763">std::<span class="me2">hex</span></span></a> <span class="sy1">&lt;&lt;</span> <a href="../manip/showbase.html"><span class="kw1747">std::<span class="me2">showbase</span></span></a> <span class="sy1">&lt;&lt;</span> num <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
<p>输出：
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">0x96
0x96
0x96
0x96
0x96</pre></div></div> 
</div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="flags.html" title="cpp/io/ios base/flags"> <span class="t-lines"><span>flags</span></span></a></div></div>
</td>
<td>  管理格式标志 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="setf.html" title="cpp/io/ios base/setf"> <span class="t-lines"><span>setf</span></span></a></div></div>
</td>
<td>  设置特定格式标志 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="unsetf.html" title="cpp/io/ios base/unsetf"> <span class="t-lines"><span>unsetf</span></span></a></div></div>
</td>
<td>   清除特定格式的标志  <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/setbase.html" title="cpp/io/manip/setbase"> <span class="t-lines"><span>setbase</span></span></a></div></div>
</td>
<td>  更改用于整数 I/O 的基数 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/setfill.html" title="cpp/io/manip/setfill"> <span class="t-lines"><span>setfill</span></span></a></div></div>
</td>
<td>  更改填充字符 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/fixed.html" title="cpp/io/manip/fixed"> <span class="t-lines"><span>fixed</span><span>scientific</span><span>hexfloat</span><span>defaultfloat</span></span></a></div><div><span class="t-lines"><span></span><span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>  更改用于浮点 I/O 的格式化 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/showbase.html" title="cpp/io/manip/showbase"> <span class="t-lines"><span>showbase</span><span>noshowbase</span></span></a></div></div>
</td>
<td>  控制是否使用前缀指示数值基数 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/boolalpha.html" title="cpp/io/manip/boolalpha"> <span class="t-lines"><span>boolalpha</span><span>noboolalpha</span></span></a></div></div>
</td>
<td>  在布尔值的文本和数值表示间切换 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/showpos.html" title="cpp/io/manip/showpos"> <span class="t-lines"><span>showpos</span><span>noshowpos</span></span></a></div></div>
</td>
<td>  控制是否将 <code>+</code> 号与非负数一同使用 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/showpoint.html" title="cpp/io/manip/showpoint"> <span class="t-lines"><span>showpoint</span><span>noshowpoint</span></span></a></div></div>
</td>
<td>  控制浮点表示是否始终包含小数点 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/unitbuf.html" title="cpp/io/manip/unitbuf"> <span class="t-lines"><span>unitbuf</span><span>nounitbuf</span></span></a></div></div>
</td>
<td>  控制是否每次操作后冲洗输出 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/skipws.html" title="cpp/io/manip/skipws"> <span class="t-lines"><span>skipws</span><span>noskipws</span></span></a></div></div>
</td>
<td>  控制是否跳过输入上的前导空白符 <br> <span class="t-mark">(函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../manip/uppercase.html" title="cpp/io/manip/uppercase"> <span class="t-lines"><span>uppercase</span><span>nouppercase</span></span></a></div></div>
</td>
<td>   控制一些输出操作是否使用大写字母  <br> <span class="t-mark">(函数)</span> </td></tr>
</table>

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